1. Maps 8.d.11(16) Reference (shelfmark): Maps 8.d.11(16) Title: The Grotto, Posilipo. Photographer: Sommer, Giorgio Scope & Content: Genre: Landscape Photography View looking through the tall narrow tunnel, through which the road to Pozzuoli passed. Collection Area: Map Collections Languages: Not applicable Date Range: c 1865-1870 Extent: 1 item